Edelman Leather Edelman Leather. Helm, Oath, and Poem by Ilse Crawford. As part of a new collaboration with British designer Ilse Crawford, three perennial Edelman leathers receive refreshed … Edelman Leather. Helm, Oath, and Poem by Ilse Crawford. As part of a new collaboration with British designer Ilse Crawford, three perennial Edelman leathers receive refreshed …